package cn.tedu.sp06.filter;


import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import com.netflix.zuul.exception.ZuulException;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.entity.ContentType;
import org.springframework.cloud.netflix.zuul.filters.support.FilterConstants;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;

@Component
public class AccessFilter extends ZuulFilter{
 @Override
 public String filterType(){
  return FilterConstants.PRE_TYPE;
 }

 @Override
 public int filterOrder(){
  return 6;
 }

 @Override
 public boolean shouldFilter(){
  RequestContext ctx=RequestContext.getCurrentContext();
  String serviceId=(String)ctx.get(FilterConstants.SERVICE_ID_KEY);
  return "item-service".equals(serviceId);
 }

 @Override
 public Object run() throws ZuulException{
  RequestContext ctx=RequestContext.getCurrentContext();
  HttpServletRequest request=ctx.getRequest();
  String token=request.getParameter("token");
  if(StringUtils.isBlank(token)){
   ctx.setSendZuulResponse(false);
   ctx.addZuulResponseHeader("Content-Type","text/html;charset=UTF-8");
   ctx.setResponseBody("Not Login! 未登录！");
  }
  return null;
 }
}
